Function report | 
Source Code:block\blk-mq.c | 
Create Date:2022-07-28 17:11:42 | 
| Last Modify:2020-03-17 23:18:05 | Copyright©Brick | 
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Name:__blk_mq_alloc_rq_maps
Proto:static int __blk_mq_alloc_rq_maps(struct blk_mq_tag_set *set)
Type:int
Parameter:
| Type | Parameter | Name | 
|---|---|---|
| struct blk_mq_tag_set * | set | 
| 2914 | When i < nr_hw_queues cycle If Not __blk_mq_alloc_rq_map(set, i) Then | 
| 2916 | Go to out_unwind | 
| 2918 | Return 0 | 
| 2920 | out_unwind : | 
| 2922 | blk_mq_free_rq_map(tags[i]) | 
| 2924 | Return -ENOMEM | 
| Name | Describe | 
|---|---|
| blk_mq_alloc_rq_maps | Allocate the request maps associated with this tag_set. Note that this* may reduce the depth asked for, if memory is tight. set->queue_depth* will be updated to reflect the allocated depth. | 
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